1328773880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{13219}}^1$

素因数の和:13596

約数の個数: 64

約数和(自身を含む): 3426624000

約数和(自身を除く): 2097850120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 718, 1436, 1795, 2513, 2872, 3590, 5026, 7180, 10052, 12565, 13219, 14360, 20104, 25130, 26438, 50260, 52876, 66095, 92533, 100520, 105752, 132190, 185066, 264380, 370132, 462665, 528760, 740264, 925330, 1850660, 3701320, 4745621, 9491242, 18982484, 23728105, 33219347, 37964968, 47456210, 66438694, 94912420, 132877388, 166096735, 189824840, 265754776, 332193470, 664386940, 1328773880]

約数ペア:

[(1, 1328773880), (2, 664386940), (4, 332193470), (5, 265754776), (7, 189824840), (8, 166096735), (10, 132877388), (14, 94912420), (20, 66438694), (28, 47456210), (35, 37964968), (40, 33219347), (56, 23728105), (70, 18982484), (140, 9491242), (280, 4745621), (359, 3701320), (718, 1850660), (1436, 925330), (1795, 740264), (2513, 528760), (2872, 462665), (3590, 370132), (5026, 264380), (7180, 185066), (10052, 132190), (12565, 105752), (13219, 100520), (14360, 92533), (20104, 66095), (25130, 52876), (26438, 50260)]